The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 1998
Filed:
Jun. 26, 1996
Applicant:
Inventors:
Yoichi Kimae, Kumamoto, JP;
Katsuyoshi Tsuchiya, Kumamoto, JP;
Takashi Matsuo, Kumamoto, JP;
Kiyoto Fukuda, Kumamoto, JP;
Assignee:
Chisso Corporation, Osaka-fu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C07F / ;
U.S. Cl.
CPC ...
203-8 ; 203 59 ; 203 65 ; 556401 ;
Abstract
A process for distilling a crude acrylic silane solution particularly containing impurities in a commercial scale for separating acrylic silane in the presence of a hindered phenol and/or amine as polymerization inhibitor, the process being improved by using simultaneously a dialkyldithiocarbamic acid copper and/or N-nitrosophenylhydroxylamine salt as synergistic polymerization inhibitor.